摘要
中子通量监测器(NFM)可实现ITER实时的中子通量测定,转化得到聚变功率,功率密度,等离子体温度等。获得NFM探测效率对能量的相对平坦响应对准确诊断十分必要。论文针对特定的NFM裂变室结构,运用MCNP—4C对裂变室包裹层慢化剂/屏蔽材料种类及厚度进行了优化计算。这些工作对探测器裂变室结构的优化设计实验标定及定型具有重要意义。
The Neutron Flux Monitor（NFM） can provide the real -time flux of ITER（ International Thermonuclear Experimental Reactor ）, and get the fusion power and temperature of the plasma after transformation. A rel- ative fiat energy response curve of neutron detection efficiency is essential for accurate diagnosis of NFM in ITER. The paper makes an optimal computation on thickness of different moderator/shielding material with the MCNP -4C as to the specific structure of NFM fission chamber. It is significant for the optimal design and the experimental calibration of the NFM
出处
《核电子学与探测技术》
CAS
CSCD
北大核心
2012年第5期539-543,共5页
Nuclear Electronics & Detection Technology
基金
2008GB109002
